São Paulo Governor Creates Greening Committee

Josh McGillBrazil, Citrus Greening, HLB Management

The governor of Brazil’s state of São Paulo, Tarcísio de Freitas, on Oct. 16 decreed the formation of a state committee for greening contingency after meeting with several members of the state’s citrus industry. Greening affects 38.06% of orange trees in the states of São Paulo and Minas Gerais. The governor acted after considerations by the Sylvio Moreira Citriculture Center/Agronomic …

Citrus Acreage Attrition by County in Florida

Josh McGillAcreage, Florida, Land

By Ariel Singerman Citrus greening (HLB) has significantly impacted the Florida citrus industry. The disease has caused tree health, yield and fruit quality to decrease significantly over time. In 2022–23, due to the combined impact of HLB, Hurricane Ian and a freeze in December 2022, the statewide average yield for both Valencia and non-Valencia oranges was estimated to be approximately …

Film Calls for Urgency Regarding Greening in Brazil

Josh McGillBrazil, HLB Management

Fundecitrus recently launched the institutional awareness-raising film Urgência as yet another part of the Greening Is Serious campaign. The campaign began in January last year. In the film, 10 representatives of the citrus sector talk about the economic, social, environmental and historical dimensions of citrus growing in São Paulo and Minas Gerais. They point out everything that is at risk …

Brazil’s Public and Private Sectors Tackle Greening

Josh McGillBrazil, HLB Management

Representatives of the Brazilian private citrus sectors of São Paulo and Minas Gerais met Sept. 25 with members of São Paulo’s government to formulate joint action plans against citrus greening disease. Representing the private sector in the meeting were Fundecitrus, Brazilian Table Citrus Association, Vivecitrus, Citrus Consultants Group and Technical Assistance and Consultancy Group in Citrus. The government of the …

Fundecitrus Addresses Issues With Psyllid Insecticides

Josh McGillBrazil, HLB Management, Pesticides

The resistance of HLB-spreading psyllids to some insecticides and the low effectiveness of insecticides applied via drench to control psyllids were recently addressed by Fundecitrus researchers. RESISTANCE OF PSYLLIDS Fundecitrus professionals participated in a meeting of the Brazilian Insecticide Resistance Action Committee. They were researcher Marcelo Miranda and agricultural engineer and postdoctoral fellow at Luiz de Queiroz College of Agriculture/University of …

Gene Confers Resistance to HLB and Citrus Canker

Josh McGillHLB Management, International, Research

In August, Horticulture Research published a paper titled An endolysin gene from Candidatus Liberibacter asiaticus confers dual resistance to huanglongbing and citrus canker. Researchers found that an endolysin encoded by the Candidatus Liberibacter asiaticus (CLas) prophage has dual resistance to huanglongbing (HLB) and citrus canker. A prophage is the genetic material of a bacteriophage, and a bacteriophage is a virus …

The Status of Citrus Canker in Georgia

Josh McGillDiseases, Georgia

Citrus canker was found for the first time in Georgia this past season. Unfortunately, it may be here to stay. Jonathan Oliver, University of Georgia (UGA) assistant professor and small fruits pathologist, talked about the disease during a citrus meeting in Valdosta, Georgia, on Aug. 9. He emphasized that Georgia producers may have to learn to live with the disease …

Fundecitrus Researchers Honored for HLB Article

Josh McGillAwards, Brazil, HLB Management

Six Fundecitrus researchers recently received an award from the journal Tropical Plant Pathology, edited by the Brazilian Society of Phytopathology. The award is in recognition of the researchers’ work in the scientific article “Overview of citrus huanglongbing spread and management strategies in Brazil.” The researchers honored are Renato Beozzo Bassanezi, Sílvio Aparecido Lopes, Marcelo Pedreira de Miranda, Nelson Arno Wulff, …

The Benefits of Growing Citrus on UV-Metalized Reflective Mulch

Josh McGillHLB Management, Research

By Jawwad Qureshi, Lauren Diepenbrock and Davie Kadyampakeni Protecting citrus trees from the Asian citrus psyllid (ACP) is critical to reducing the spread and severity of huanglongbing (HLB) or citrus greening disease. ACP, the vector of the pathogen responsible for causing HLB in citrus, needs young shoots to develop and reproduce. The frequent availability of viable shoots in young trees …

Japanese Agency Tours Florida Citrus Industry

Josh McGillFlorida Department of Citrus, Grapefruit, International

Yamano & Associates, Florida Department of Citrus (FDOC) partner agency in Japan for over 40 years, recently concluded an educational tour in Florida, continuing its efforts to explore and engage with key individuals in the Florida citrus industry. The two-day tour provided the agency with a unique opportunity to closely observe the operations and processes involved in the Florida citrus …

Fundecitrus Participates in Argentine Citriculture Congress

Josh McGillInternational, Research

Specialists from Brazil’s Fundecitrus recently participated in the Argentine Citriculture Congress in Concordia, Argentina. They were among more than 400 at the event. Participants included producers, researchers and students. Fundecitrus researcher Renato Bassanezi gave the opening lecture on epidemiology and management of greening in Brazil. He also participated in a round table discussion on the current status of advances in …

Fundecitrus App Aids Psyllid Insecticide Rotation

Josh McGillBrazil, HLB Management, Technology

The Fundecitrus app, launched in February, has a new feature to help citrus growers properly rotate insecticides to manage the psyllid that spreads citrus greening disease. The new feature helps growers choose insecticides with different modes of action. The use of insecticides with the same mode of action in sequential applications can result in an increase in the frequency of …

Highlights from the Florida Citrus Industry Annual Conference

Josh McGillEvents, Florida Citrus Mutual

Florida Citrus Mutual provided a summary of its Florida Citrus Industry Annual Conference held in June: After a year full of challenges, the 2023 Florida Citrus Industry Annual Conference once again offered an opportunity for more than 500 growers, allied members, family and friends to come together and focus on the highlights of the year and the promise of better …

Citrus Grower Forum Focused on New Peptide Product

Josh McGillHLB Management, Peptides

The University of Florida Institute of Food and Agricultural Sciences Citrus Research and Education Center hosted a grower forum in mid-June. An educational program during the event provided growers with information on a new HLB therapy working its way through regulatory approvals. The peptide-based product will go by the name Aura Citrus and will be marketed by Nutrien once it …

Update on the Cold-Hardy Citrus Region

Josh McGillCold Hardy

By Danielle Sprague Williams In North Florida and South Georgia, there has been a significant growth in citrus production due to the relatively mild winters, advances in freeze protection and cold-hardy citrus varieties. In addition to this, there is a relatively low incidence of the citrus greening pathogen and its vector, the Asian citrus psyllid. Due to these factors, many …

Funding for Florida Department of Citrus Research

Josh McGillFlorida Citrus Commission, Florida Department of Citrus

The Florida Citrus Commission (FCC) on May 17 received a summary of the latest state funding earmarked for scientific research that will be administered by the Florida Department of Citrus (FDOC). FDOC Director of Scientific Research Rosa Walsh provided the summary. She noted that the funding established by the Florida Legislature needs to be approved by Gov. Ron DeSantis. State …

U.S. Citrus Demand Exceeds Supply

Josh McGillExport/Import, Production

While the U.S. domestic supply of citrus has declined tremendously, imports have increased substantially. That, says American Farm Bureau Federation economist Daniel Munch, is a telltale sign that consumer demand for citrus in the United States is now greater than domestic production capacity. “In other words, we’ve become partially reliant on other nations for citrus products,” Munch writes in U.S. …

Florida Budget Includes $65 Million for Citrus

Josh McGillLegislative

This year’s Florida state budget, established by the Legislature in early May, is the largest in history at nearly $115 billion. Florida Citrus Mutual (FCM) reported that approximately $65 million was allocated to the citrus industry. FCM itemized what was allocated to the citrus industry prior to Gov. Ron DeSantis signing the budget:  Additionally, the Department of Agriculture package bill …

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Weather, Costs and Other Citrus Impacts

Josh McGillProduction, Weather

In U.S. Citrus Production – An Uphill Battle to Survive, Daniel Munch zeroed in on issues impacting citrus-producing states. In excerpts that follow, the American Farm Bureau Federation economist focuses on weather, disease, population, production shifts and increasing costs that have impacted citrus. FLORIDA FACES NUMEROUS CHALLENGESIn 2017, Hurricane Irma’s high winds and damaging rains battered key citrus-producing regions in …

Citrus Pest Management Course Offered

Josh McGillEducation, Pests

Citrus industry workers interested in learning more about citrus pest management are encouraged to enroll in Citrus Pest Management, a 16-week course taught by University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) faculty in the fall of 2023. The class provides a comprehensive overview of citrus pests and how best to manage them in today’s citrus greening environment. …